XHProf: Hierarchical Profiler Report

Diff Report: Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getHost	Run #53ccf06f3ae60	Run #53ccf1bb00d4b	Diff	Diff%
Number of Function Calls	5	5	0	0.0%
Incl. Wall Time (microsec)	161	160	-1	-0.6%
Incl. Wall Time (microsec) per call	32	32	-0	-0.6%
Excl. Wall Time (microsec)	75	80	5	6.7%
Incl. CPU (microsecs)	166	165	-1	-0.6%
Incl. CPU (microsecs) per call	33	33	-0	-0.6%
Excl. CPU (microsec)	54	51	-3	-5.6%
Incl. MemUse (bytes)	10,984	10,984	0	0.0%
Incl. MemUse (bytes) per call	2,197	2,197	0	0.0%
Excl. MemUse (bytes)	4,568	4,568	0	0.0%
Incl. PeakMemUse (bytes)	120	112	-8	-6.7%
Incl. PeakMemUse (bytes) per call	24	22	-2	-6.7%
Excl. PeakMemUse (bytes)	0	0	0	N/A%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	-1	-0.1%	-1	-0.1%	0	0.0%	-8	-0.1%
Exclusive Metrics Diff for Current Function			5	500.0%	-3	-300.0%	0	N/A%	0	0.0%
*Parent functions*
Symfony\Component\Routing\RequestContext::fromRequest	0	N/A%	-1	-100.0%	0	0.0%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\Request::getHttpHost	0	N/A%	1	100.0%	-1	-100.0%	0	N/A%	-8	-100.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals	0	N/A%	-1	-100.0%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-5	-500.0%	-8	-800.0%	0	N/A%	0	0.0%
preg_replace	0	N/A%	-1	-100.0%	0	0.0%	0	N/A%	-8	-100.0%
count	0	N/A%	0	0.0%	6	600.0%	0	N/A%	0	0.0%
preg_match	0	N/A%	0	0.0%	-1	-100.0%	0	N/A%	0	0.0%
strtolower	0	N/A%	0	0.0%	-2	-200.0%	0	N/A%	0	0.0%
trim	0	N/A%	0	0.0%	7	700.0%	0	N/A%	0	0.0%